#include "stm32f10x.h"
#include "adc_dma.h"

extern vu16 AD_Value[8];


void ADC_DMA_Config(void)
{
    ADC_InitTypeDef ADC_InitStructure;
    DMA_InitTypeDef DMA_InitStructure;
    GPIO_InitTypeDef GPIO_InitStructure;

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
    GPIO_Init(GPIOA, &GPIO_InitStructure);

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_4;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
    GPIO_Init(GPIOC, &GPIO_InitStructure);

    DMA_DeInit(DMA1_Channel1);

    DMA_InitStructure.DMA_PeripheralBaseAddr =  (u32)&ADC1->DR;
    DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&AD_Value[0];
    DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
    DMA_InitStructure.DMA_BufferSize = 6;
    DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
    DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
    DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
    DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
    DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
    DMA_InitStructure.DMA_Priority = DMA_Priority_High;
    DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;

    DMA_Init(DMA1_Channel1, &DMA_InitStructure);


    ADC_DeInit(ADC1);

    ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
    ADC_InitStructure.ADC_ScanConvMode = ENABLE;
    ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
    ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
    ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
    ADC_InitStructure.ADC_NbrOfChannel = 6;
    ADC_Init(ADC1, &ADC_InitStructure);

    ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 1, ADC_SampleTime_28Cycles5);
    ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 2, ADC_SampleTime_28Cycles5);
    ADC_RegularChannelConfig(ADC1, ADC_Channel_6, 3, ADC_SampleTime_28Cycles5);
    ADC_RegularChannelConfig(ADC1, ADC_Channel_7, 4, ADC_SampleTime_28Cycles5);
    ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 5, ADC_SampleTime_239Cycles5);
    ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 6, ADC_SampleTime_239Cycles5);
    //  ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 6, ADC_SampleTime_239Cycles5);
    //  ADC_RegularChannelConfig(ADC1, ADC_Channel_6, 7, ADC_SampleTime_239Cycles5);
    //  ADC_RegularChannelConfig(ADC1, ADC_Channel_7, 8, ADC_SampleTime_239Cycles5);

    ADC_DMACmd(ADC1, ENABLE);
    ADC_Cmd(ADC1, ENABLE);
    ADC_ResetCalibration(ADC1);
    while(ADC_GetResetCalibrationStatus(ADC1));
    ADC_StartCalibration(ADC1);
    while(ADC_GetCalibrationStatus(ADC1));

}
